// This file contains material supporting section 2.8 of the textbook:// "Object Oriented Software Engineering" and is issued under the open-source// license found at www.lloseng.compackage postal.postalcode;/** * This class defines an exception that will be thrown if a postal * code is invalid. * * @author Fran&ccedil;ois B&eacute;langer * @author Dr Timothy C. Lethbridge * @version July 2000 */public class PostalCodeException extends Exception{  //Constructors ******************************************************  /**   * Default constructor.  Does not provide details.   */  public PostalCodeException() {}  /**   * Constructor that provides more details as to what caused the   * exception to be thrown.   *   * @param message The message giving details about the cause of   *                the exception.   */  public PostalCodeException(String message)  {    super(message);  }}